| article html file updated | 7 February 2020 09:34 CET | Update | https://www.mdpi.com/1420-3049/21/6/712 |
| article html file updated | 21 September 2019 18:15 CEST | Update | - |
| article html file updated | 5 May 2019 14:04 CEST | Update | - |
| article html file updated | 27 March 2019 06:19 CET | Update | - |
| article html file updated | 12 November 2018 04:12 CET | Update | - |
| article html file updated | 29 June 2016 11:54 CEST | Update | - |
| article html file updated | 1 June 2016 09:51 CEST | Original file | - |
| article xml uploaded. | 1 June 2016 09:50 CEST | Update | https://www.mdpi.com/1420-3049/21/6/712/xml |
| article pdf uploaded. | 1 June 2016 09:50 CEST | Version of Record | https://www.mdpi.com/1420-3049/21/6/712/pdf |
